Re-write many calls to WrapUnique() with MakeUnique()

components/invalidation/impl/sync_system_resources.cc

Index: components/invalidation/impl/sync_system_resources.cc
diff --git a/components/invalidation/impl/sync_system_resources.cc b/components/invalidation/impl/sync_system_resources.cc
index 089f7a15c9bca76e37d53b6e939153706366471b..f4f04e0f2605fa0b8032661901a9ca4ae17885c0 100644
--- a/components/invalidation/impl/sync_system_resources.cc
+++ b/components/invalidation/impl/sync_system_resources.cc
@@ -170,14 +170,14 @@ std::unique_ptr<SyncNetworkChannel> SyncNetworkChannel::CreatePushClientChannel(
     const notifier::NotifierOptions& notifier_options) {
   std::unique_ptr<notifier::PushClient> push_client(
       notifier::PushClient::CreateDefaultOnIOThread(notifier_options));
-  return base::WrapUnique(new PushClientChannel(std::move(push_client)));
+  return base::MakeUnique<PushClientChannel>(std::move(push_client));
 }
 
 std::unique_ptr<SyncNetworkChannel> SyncNetworkChannel::CreateGCMNetworkChannel(
     scoped_refptr<net::URLRequestContextGetter> request_context_getter,
     std::unique_ptr<GCMNetworkChannelDelegate> delegate) {
-  return base::WrapUnique(
-      new GCMNetworkChannel(request_context_getter, std::move(delegate)));
+  return base::MakeUnique<GCMNetworkChannel>(request_context_getter,
+                                             std::move(delegate));
 }
 
 void SyncNetworkChannel::NotifyNetworkStatusChange(bool online) {